- /*
- * Copyright 2002,2004 The Apache Software Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
- package org.apache.tools.ant.taskdefs.optional.extension;
-
- import java.util.ArrayList;
- import java.util.Arrays;
- import org.apache.tools.ant.BuildException;
- import org.apache.tools.ant.Project;
- import org.apache.tools.ant.types.DataType;
- import org.apache.tools.ant.types.FileSet;
- import org.apache.tools.ant.types.Reference;
-
- /**
- * The Extension set lists a set of "Optional Packages" /
- * "Extensions".
- *
- * @version $Revision: 1.4.2.4 $ $Date: 2004/03/09 17:01:45 $
- * @ant.data-type name="extension-set"
- */
- public class ExtensionSet
- extends DataType {
- /**
- * ExtensionAdapter objects representing extensions.
- */
- private final ArrayList extensions = new ArrayList();
-
- /**
- * Filesets specifying all the extensions wanted.
- */
- private final ArrayList extensionsFilesets = new ArrayList();
-
- /**
- * Adds an extension that this library requires.
- *
- * @param extensionAdapter an extension that this library requires.
- */
- public void addExtension(final ExtensionAdapter extensionAdapter) {
- extensions.add(extensionAdapter);
- }
-
- /**
- * Adds a set of files about which extensions data will be extracted.
- *
- * @param fileSet a set of files about which extensions data will be extracted.
- */
- public void addLibfileset(final LibFileSet fileSet) {
- extensionsFilesets.add(fileSet);
- }
-
- /**
- * Adds a set of files about which extensions data will be extracted.
- *
- * @param fileSet a set of files about which extensions data will be extracted.
- */
- public void addFileset(final FileSet fileSet) {
- extensionsFilesets.add(fileSet);
- }
-
- /**
- * Extract a set of Extension objects from the ExtensionSet.
- *
- * @param project the project instance.
- * @return an array containing the Extensions from this set
- * @throws BuildException if an error occurs
- */
- public Extension[] toExtensions(final Project project)
- throws BuildException {
- final ArrayList extensionsList = ExtensionUtil.toExtensions(extensions);
- ExtensionUtil.extractExtensions(project, extensionsList, extensionsFilesets);
- return (Extension[]) extensionsList.toArray(new Extension[extensionsList.size()]);
- }
-
- /**
- * Makes this instance in effect a reference to another ExtensionSet
- * instance.
- *
- * <p>You must not set another attribute or nest elements inside
- * this element if you make it a reference.</p>
- *
- * @param reference the reference to which this instance is associated
- * @exception BuildException if this instance already has been configured.
- */
- public void setRefid(final Reference reference)
- throws BuildException {
- if (!extensions.isEmpty() || !extensionsFilesets.isEmpty()) {
- throw tooManyAttributes();
- }
- // change this to get the objects from the other reference
- final Object object =
- reference.getReferencedObject(getProject());
- if (object instanceof ExtensionSet) {
- final ExtensionSet other = (ExtensionSet) object;
- extensions.addAll(other.extensions);
- extensionsFilesets.addAll(other.extensionsFilesets);
- } else {
- final String message =
- reference.getRefId() + " doesn\'t refer to a ExtensionSet";
- throw new BuildException(message);
- }
-
- super.setRefid(reference);
- }
-
- /**
- * @see java.lang.Object#toString()
- */
- public String toString() {
- return "ExtensionSet" + Arrays.asList(toExtensions(getProject()));
- }
- }